干旱区荒漠绿洲过渡带建植梭梭( Haloxylon ammodendron )林后土壤线虫群落演变
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安芳娇, 苏永中, 牛子儒, 刘婷娜
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Evolution of soil nematode community after establishment of Haloxylon ammodendron plantations in an arid desert-oasis ecotone
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Fangjiao An, Yongzhong Su, Ziru Niu, Tingna Liu
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表2 不同固沙年限土壤线虫总数及营养类群
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Table 2 Total numbers of soil nematodes and nematode trophic groups in different sand-fixation years
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固沙 年限/a | 线虫总数 | 食细菌线虫BF | 食真菌线虫FF | 植物寄生线虫PP | 捕食/杂食线虫OP |
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冠层下 | 冠层外 | 冠层下 | 冠层外 | 冠层下 | 冠层外 | 冠层下 | 冠层外 | 冠层下 | 冠层外 |
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0 | 5.33±1.31Ad | 5.33±1.31Ab | 4.00±0.00Ad | 4.00±0.00Ab | 1.33±0.31Ab | 1.33±0.31Aab | 0.00±0.00Aa | 0.00±0.00Ab | 0.00±0.00Ab | 0.00±0.00Ab | 3 | 44.33±10.18Acd | 11.67±3.15Bab | 36.33±11.16Acd | 8.33±3.15Bab | 6.67±0.58Aab | 1.00±0.73Bb | 0.00±0.00Aa | 2.33±0.08Aa | 1.33±0.31Ab | 0.00±0.00Ab | 6 | 99.33±22.72Abc | 61.33±11.67Ba | 85.67±24.53Abc | 47.00±9.04Bab | 8.67±1.57Aab | 8.33±1.79Ba | 0.00±0.00Aa | 1.00±0.73Aab | 5.00±1.73Ab | 5.00±1.73Aab | 11 | 143.33±45.52Aab | 62.00±12.05Ba | 116.00±23.81Ab | 52.33±13.14Ba | 6.33±0.69Aab | 7.33±1.51Bab | 0.00±0.00Aa | 0.00±0.00Ab | 20.00±6.00Aa | 2.33±1.04Ab | 19 | 148.67±43.94Aab | 61.67±12.53Ba | 123.00±28.58Ab | 49.00±12.26Bab | 8.67±1.77Aab | 1.33±0.31Bab | 1.67±0.89Aa | 1.00±0.73Aab | 15.33±5.15Aa | 10.33±2.45Aa | 28 | 136.33±40.34Ab | 60.00±11.68Ba | 129.00±43.38Ab | 54.33±18.46Ba | 6.00±1.29Aab | 3.33±0.77Bab | 1.33±0.31Aa | 0.00±0.00Ab | 0.00±0.00Ab | 2.33±1.04Ab | 46 | 228.00±61.46Aa | 41.00±16.64Bab | 213.33±54.80Aa | 38.67±10.34Bab | 13.67±2.51Aa | 2.33±0.08Bab | 0.00±0.00Aa | 0.00±0.00Ab | 1.00±0.73Ab | 0.00±0.00Ab | 年限 | ** | * | ** | * | ns | ns | ns | ns | * | * | 位置 | *** | *** | * | ns | ns | 年限× 位置 | * | ** | ns | ns | ns |
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